//
// Copyright 2011-2015 Jeff Bush
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#include <stdio.h>
#include <bare-metal/sdmmc.h>

#define TRANSFER_LENGTH 16

int main()
{
    char *buf = (char*) 0x200000;

    if (init_sdmmc_device() < 0)
    {
        printf("error initializing card\n");
        return -1;
    }

    // Read blocks in reverse order to verify address is set correctly.
    for (int i = TRANSFER_LENGTH - 1; i >= 0; i--)
    {
        if (read_sdmmc_device(i, buf + i * SDMMC_BLOCK_SIZE) < 0)
        {
            printf("read_sdmmc_device returned error\n");
            return 1;
        }
    }

    return 0;
}
